CASIO
G-SHOCK GMAP2100M-4A
G-SHOCK GMAP2100M-4A
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Casio G-SHOCK– Model GMAP2100M-4A
The GMAP2100M-4A brings a fresh, feminine twist to the iconic GA2100 design, blending a soft peach-pink tone with elegant pink-gold details. Designed for smaller wrists, this model combines G-SHOCK’s signature toughness with a delicate aesthetic that transitions effortlessly from casual to chic.
Design Overview
This model features pink-gold vapor deposition indexes that add a subtle shimmer, perfectly paired with the muted blush-pink case and band. The result is a watch that’s modern, versatile, and easy to coordinate with any outfit, any season.
Crafted with bio-based resin components, the GMAP2100M-4A also reflects G-SHOCK’s ongoing commitment to environmentally conscious design, using renewable organic materials to help reduce environmental impact.
Lightweight and compact, this model offers total comfort while maintaining G-SHOCK’s legendary durability and 200-meter water resistance.
Key Highlights
✔ Soft blush-pink color with pink-gold accents for a feminine touch
✔ Compact, lightweight design ideal for smaller wrists
✔ Bio-based resin components for eco-conscious construction
✔ Double LED (Super Illuminator) for excellent night visibility
✔ 200-meter water resistance with G-SHOCK toughness
Features & Specifications
Case & Band
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Case Size: 46 × 40.2 × 11.2 mm
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Material: Resin / Bio-based resin
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Band: Bio-based resin band
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Weight: 40 g
Exterior
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Glass: Mineral Glass
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Other: Neobrite luminous coating
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Compatible Band Size: 145–190 mm
Water Resistance
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200-meter water resistance
Timekeeping & Functions
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World Time: 31 time zones (48 cities + UTC), daylight saving on/off
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Stopwatch: 1/100-second stopwatch, elapsed time, split time, 1st–2nd place times
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Timer: Countdown timer (1 second–24 hours)
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Alarms: 5 daily alarms + hourly time signal
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Calendar: Full auto-calendar (to year 2099)
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Format: 12/24-hour format
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Accuracy: ±15 seconds per month
Lighting
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Light: Double LED (Super Illuminator – one for the face, one for the digital display)
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Light Color: White
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Afterglow: Selectable illumination (1.5 or 3 seconds)
Battery & Power
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Battery Type: CR1025
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Battery Life: Approx. 3 years
Summary
The GMAP2100M-4A combines the best of G-SHOCK’s rugged durability with a soft, stylish aesthetic. Perfect for smaller wrists, it features eco-conscious bio-based resin, a shimmering pink-gold dial, and a feminine blush-pink tone — making it an ideal everyday accessory that’s as functional as it is fashionable.
For more details, visit the official Citizen website here.
Warranty:
- The watch is covered by a warranty, providing assurance and protection for your purchase.
▶︎Processing Time & Shipping Policy
▶︎We only carry G-SHOCK USA products.
▶︎Unfortunately, we DO NOT ship internationally.
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Explore Your Favorite G-SHOCK Watches
Explore our current selection of G-SHOCK watches. If you don’t see your preferred model, check the G-SHOCK USA website, note the model number, and contact us via email or phone(415-567-2400) to place your order. Ask about our special deals!
Please note:
- We only carry G-SHOCK USA products.
- Unfortunately, we DO NOT ship internationally.

Trusted Since 1967
Our owner, Asuka Saito, is certified by both Gemological Institute of America (GIA) and Cultured Pearl Association of America (CPAA), and we also have a GIA-certified appraiser on staff. Asuka is also a color specialist, certified as a TC Color Therapist and Sensational Color.